http://www.foxnews.com/tech/2012/12/17/what-if-reality-were-really-just-im-universe/ "millions of virtual universes with billions of simulated brains in them." Reminds me of the last scenes in 2001:A Space Odyssey. The white room is not real; it is a sim of Dave's memories. Do zoo or nature preserve animals know they are in it? No. Do goldfish know they are in an aquarium? No. Food comes from above, and they swim around, some creatures look at them, that's life.